<template>
  <div id="mapChart" className="mapChart" style="width: 97%;height: 95% ; left: 1%;top: 2%" ></div>
</template>

<script>
export default {
  name: 'mapChina',
  data() {
    return {
      cityData: '',
      sortCityData: '',
      geoCoordMap: '',
      regions: '',
    };
  },
  mounted() {
    this.mapFn();
  },
  methods: {
    mapFn() {
      // 基于准备好的dom，初始化echarts实例
      var mapBoxEchart = this.$echarts.init(document.getElementById('mapChart'));
      var data = this.cityData;
      var seriesData = [];
      var geoCoordMap = this.geoCoordMap;

      var convertData = function (data) {//散点值和市区经纬度组合
        var res = [];
        for (var i = 0; i < data.length; i++) {
          var geoCoord = geoCoordMap[data[i].name];
          if (geoCoord) {
            res.push({
              name: data[i].name,
              value: geoCoord.concat(data[i].value)
            });
          }
        }
        return res;
      };
      var option = {//散点图标题

        tooltip: {//鼠标放上去提示
          trigger: 'item'
        },
        geo: {//城市地图
          map: 'china',
          show: true,
          roam: true,//禁止拖拽和伸缩 true为可拖拽
          label: {
            emphasis: {
              show: false
            }
          },
          itemStyle: {
            normal: {//地图背景色
              areaColor: '#034DE4',
              opacity: 0.5
            },
            emphasis: {//鼠标放上去区域背景色
              areaColor: "#034DE4",
              opacity: 0.5
            }
          },
          regions: this.regions //地图上每个省份标不同颜色
        },
        backgroundColor: '#000000',//地图背景色
        series: [
          {
            name: '其它城市',//除前五外的城市
            type: 'effectScatter',
            coordinateSystem: 'geo',
            data: convertData(data),
            //symbol: point, //散点用背景图片，point为连接的图片地址
            symbolSize: function (val) {//设置散点大小
              //alert(val);
              return val[2] / (val[2] / 10);
            },
            // tooltip: {//鼠标放上去提示语
            //     trigger: 'item',
            //     "confine": true,
            //     "formatter": (p)=>{//自定义提示信息
            //         let dataCon = p.data;
            //         txtCon ='其它城市<br>' + dataCon.name+':'+dataCon.value[2];
            //         return txtCon;
            //     }
            // },
            label: {
              normal: {
                formatter: "{b}",
                position: "right",
                show: false
              },
              emphasis: {
                show: true
              }
            },
            itemStyle: {
              normal: {
                color: '#ffff00', //除前五外的散点颜色
                fontSize: '12px'
              }
            }
          }
        ]
      };
      mapBoxEchart.setOption(option, true);


    },
    convertData(data) {
      var res = [];
      for (var i = 0; i < data.length; i++) {
        var geoCoord = this.geoCoordMap[data[i].name];
        if (geoCoord) {
          res.push({
            name: data[i].name,
            value: geoCoord.concat(data[i].value)
          });
        }
      }
      return res;
    }
  },
  created() {
    this.cityData = [//每个散点的数据
      {name: '海门', value: 9},
      {name: '鄂尔多斯', value: 12},
      {name: '招远', value: 12},
      {name: '舟山', value: 12},
      {name: '齐齐哈尔', value: 14},
      {name: '盐城', value: 15},
      {name: '赤峰', value: 16},
      {name: '青岛', value: 18},
      {name: '乳山', value: 18},
      {name: '金昌', value: 19},
      {name: '泉州', value: 21},
      {name: '莱西', value: 21},
      {name: '日照', value: 21},
      {name: '胶南', value: 22},
      {name: '南通', value: 23},
      {name: '拉萨', value: 24},
      {name: '云浮', value: 24},
      {name: '梅州', value: 25},
      {name: '文登', value: 25},
      {name: '上海', value: 25},
      {name: '乌鲁木齐', value: 21}
    ];
    this.regions = [//给每个省份的区域加上背景色
      {
        name: '南海诸岛',
        itemStyle: {
          areaColor: '#6F798D',
          opacity: 0.5
        }
      },
      {
        name: '北京',
        itemStyle: {
          areaColor: '#034DE4',
          opacity: 0.2
        }
      },
      {
        name: '天津',
        itemStyle: {
          areaColor: '#034DE4',
          opacity: 0.2
        }
      },
      {
        name: '上海',
        itemStyle: {
          areaColor: '#27E9FD',
          opacity: 0.2
        }
      },
      {
        name: '重庆',
        itemStyle: {
          areaColor: '#0E7DEB',
          opacity: 0.2
        }
      },
      {
        name: '河北',
        itemStyle: {
          areaColor: '#034DE4',
          opacity: 0.2
        }
      },
      {
        name: '河南',
        itemStyle: {
          areaColor: '#034DE4',
          opacity: 0.2
        }
      },
      {
        name: '云南',
        itemStyle: {
          areaColor: '#20CAF8',
          opacity: 0.2
        }
      },
      {
        name: '辽宁',
        itemStyle: {
          areaColor: '#034DE4',
          opacity: 0.2
        }
      },
      {
        name: '黑龙江',
        itemStyle: {
          areaColor: '#17A3F1',
          opacity: 0.2
        }
      },
      {
        name: '湖南',
        itemStyle: {
          areaColor: '#0554E4',
          opacity: 0.2
        }
      },
      {
        name: '安徽',
        itemStyle: {
          areaColor: '#27E8FD',
          opacity: 0.2
        }
      },
      {
        name: '山东',
        itemStyle: {
          areaColor: '#4BFFFF',
          opacity: 0.2
        }
      },
      {
        name: '新疆',
        itemStyle: {
          areaColor: '#17A3F1',
          opacity: 0.2
        }
      },
      {
        name: '江苏',
        itemStyle: {
          areaColor: '#00b6f6',
          opacity: 0.2
        }
      },
      {
        name: '浙江',
        itemStyle: {
          areaColor: '#00b6f6',
          opacity: 0.2
        }
      },
      {
        name: '江西',
        itemStyle: {
          areaColor: '#01a4f1',
          opacity: 0.2
        }
      },
      {
        name: '湖北',
        itemStyle: {
          areaColor: '#005ce5',
          opacity: 0.2
        }
      },
      {
        name: '广西',
        itemStyle: {
          areaColor: '#0088ec',
          opacity: 0.2
        }
      },
      {
        name: '甘肃',
        itemStyle: {
          areaColor: '#0042df',
          opacity: 0.2
        }
      },
      {
        name: '山西',
        itemStyle: {
          areaColor: '#01d0fa',
          opacity: 0.2
        }
      },
      {
        name: '内蒙古',
        itemStyle: {
          areaColor: '#00ccf7',
          opacity: 0.2
        }
      },
      {
        name: '陕西',
        itemStyle: {
          areaColor: '#01b0f3',
          opacity: 0.2
        }
      },
      {
        name: '吉林',
        itemStyle: {
          areaColor: '#0051e1',
          opacity: 0.2
        }
      },
      {
        name: '福建',
        itemStyle: {
          areaColor: '#0158e3',
          opacity: 0.2
        }
      },
      {
        name: '贵州',
        itemStyle: {
          areaColor: '#0199ef',
          opacity: 0.2
        }
      },
      {
        name: '广东',
        itemStyle: {
          areaColor: '#00d9fc',
          opacity: 0.2
        }
      },
      {
        name: '青海',
        itemStyle: {
          areaColor: '#005ae4',
          opacity: 0.2
        }
      },
      {
        name: '西藏',
        itemStyle: {
          areaColor: '#01e9fd',
          opacity: 0.2
        }
      },
      {
        name: '四川',
        itemStyle: {
          areaColor: '#0069e8',
          opacity: 0.2
        }
      },
      {
        name: '宁夏',
        itemStyle: {
          areaColor: '#01b0f3',
          opacity: 0.2
        }
      },
      {
        name: '海南',
        itemStyle: {
          areaColor: '#00f0ff',
          opacity: 0.2
        }
      },
      {
        name: '台湾',
        itemStyle: {
          areaColor: '#0067e7',
          opacity: 0.2
        }
      },
      {
        name: '香港',
        itemStyle: {
          areaColor: '#00dafa',
          opacity: 0.2
        }
      },
      {
        name: '澳门',
        itemStyle: {
          areaColor: '#00dafa',
          opacity: 0.2
        }
      }
    ],
      this.geoCoordMap = {//全国市区
        '上海': [121.4648,31.2891],
        '东莞': [113.8953,22.901],
        '东营': [118.7073,37.5513],
        '中山': [113.4229,22.478],
        '临汾': [111.4783,36.1615],
        '临沂': [118.3118,35.2936],
        '丹东': [124.541,40.4242],
        '丽水': [119.5642,28.1854],
        '乌鲁木齐': [87.9236,43.5883],
        '佛山': [112.8955,23.1097],
        '保定': [115.0488,39.0948],
        '兰州': [103.5901,36.3043],
        '包头': [110.3467,41.4899],
        '北京': [116.4551,40.2539],
        '北海': [109.314,21.6211],
        '南京': [118.8062,31.9208],
        '南宁': [108.479,23.1152],
        '南昌': [116.0046,28.6633],
        '南通': [121.1023,32.1625],
        '厦门': [118.1689,24.6478],
        '台州': [121.1353,28.6688],
        '合肥': [117.29,32.0581],
        '呼和浩特': [111.4124,40.4901],
        '咸阳': [108.4131,34.8706],
        '哈尔滨': [127.9688,45.368],
        '唐山': [118.4766,39.6826],
        '嘉兴': [120.9155,30.6354],
        '大同': [113.7854,39.8035],
        '大连': [122.2229,39.4409],
        '天津': [117.4219,39.4189],
        '太原': [112.3352,37.9413],
        '威海': [121.9482,37.1393],
        '宁波': [121.5967,29.6466],
        '宝鸡': [107.1826,34.3433],
        '宿迁': [118.5535,33.7775],
        '常州': [119.4543,31.5582],
        '广州': [113.5107,23.2196],
        '廊坊': [116.521,39.0509],
        '延安': [109.1052,36.4252],
        '张家口': [115.1477,40.8527],
        '徐州': [117.5208,34.3268],
        '德州': [116.6858,37.2107],
        '惠州': [114.6204,23.1647],
        '成都': [103.9526,30.7617],
        '扬州': [119.4653,32.8162],
        '承德': [117.5757,41.4075],
        '拉萨': [91.1865,30.1465],
        '无锡': [120.3442,31.5527],
        '日照': [119.2786,35.5023],
        '昆明': [102.9199,25.4663],
        '杭州': [119.5313,29.8773],
        '枣庄': [117.323,34.8926],
        '柳州': [109.3799,24.9774],
        '株洲': [113.5327,27.0319],
        '武汉': [114.3896,30.6628],
        '汕头': [117.1692,23.3405],
        '江门': [112.6318,22.1484],
        '沈阳': [123.1238,42.1216],
        '沧州': [116.8286,38.2104],
        '河源': [114.917,23.9722],
        '泉州': [118.3228,25.1147],
        '泰安': [117.0264,36.0516],
        '泰州': [120.0586,32.5525],
        '济南': [117.1582,36.8701],
        '济宁': [116.8286,35.3375],
        '海口': [110.3893,19.8516],
        '淄博': [118.0371,36.6064],
        '淮安': [118.927,33.4039],
        '深圳': [114.5435,22.5439],
        '清远': [112.9175,24.3292],
        '温州': [120.498,27.8119],
        '渭南': [109.7864,35.0299],
        '湖州': [119.8608,30.7782],
        '湘潭': [112.5439,27.7075],
        '滨州': [117.8174,37.4963],
        '潍坊': [119.0918,36.524],
        '烟台': [120.7397,37.5128],
        '玉溪': [101.9312,23.8898],
        '珠海': [113.7305,22.1155],
        '盐城': [120.2234,33.5577],
        '盘锦': [121.9482,41.0449],
        '石家庄': [114.4995,38.1006],
        '福州': [119.4543,25.9222],
        '秦皇岛': [119.2126,40.0232],
        '绍兴': [120.564,29.7565],
        '聊城': [115.9167,36.4032],
        '肇庆': [112.1265,23.5822],
        '舟山': [122.2559,30.2234],
        '苏州': [120.6519,31.3989],
        '莱芜': [117.6526,36.2714],
        '菏泽': [115.6201,35.2057],
        '营口': [122.4316,40.4297],
        '葫芦岛': [120.1575,40.578],
        '衡水': [115.8838,37.7161],
        '衢州': [118.6853,28.8666],
        '西宁': [101.4038,36.8207],
        '西安': [109.1162,34.2004],
        '贵阳': [106.6992,26.7682],
        '连云港': [119.1248,34.552],
        '邢台': [114.8071,37.2821],
        '邯郸': [114.4775,36.535],
        '郑州': [113.4668,34.6234],
        '鄂尔多斯': [108.9734,39.2487],
        '重庆': [107.7539,30.1904],
        '金华': [120.0037,29.1028],
        '铜川': [109.0393,35.1947],
        '银川': [106.3586,38.1775],
        '镇江': [119.4763,31.9702],
        '长春': [125.8154,44.2584],
        '长沙': [113.0823,28.2568],
        '长治': [112.8625,36.4746],
        '阳泉': [113.4778,38.0951],
        '青岛': [120.4651,36.3373],
        '韶关': [113.7964,24.7028]
      };
  },
  components: {}
};
</script>
<style lang="scss" scoped>

</style>
